enzodomingosf
enzodomingosf enzodomingosf
  • 14-06-2016
  • Mathematics
contestada

Quantos que é
-x+60=30

Eu estou confuso

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mickeymouse17madera mickeymouse17madera
  • 14-06-2016
-x+60=30
    -60   -60

-x=-30
x=30
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